Finding the Fourth Proportional to 3,738.67, 5,610.38 and 3,388

Step by Step Solution

1. Step 1: Write the proportion equation
   3,738.67 : 5,610.38 = 3,388 : x
2. Step 2: Convert to fraction form
   3,738.67/5,610.38 = 3,388/x
3. Step 3: Cross multiply
   3,738.67x = 5,610.38 × 3,388
4. Step 4: Simplify right side
   3,738.67x = 19,007,967.44
5. Step 5: Solve for x
   x = 19,007,967.44/3,738.67
6. Step 6: Final answer
   x = 5,084.15